This U.S. Census Bureau NAICS-based industry comprises establishments primarily engaged in manufacturing automobile parts and light truck trailer.

Cross-References. Establishments primarily engaged in--

• Manufacturing children's vehicles (except bicycles and metal tricycles)--are classified in U.S. Industry 339932, Game, Toy, and Children's Vehicle Manufacturing;
• Manufacturing motor vehicles--are classified in Industry Group 3361, Motor Vehicle Manufacturing;
• Manufacturing motor vehicle parts--are classified in Industry Group 3363, Motor Vehicle Parts Manufacturing;
• Manufacturing motorcycles, bicycles and parts--are classified in U.S. Industry 336991, Motorcycle, Bicycle, and Parts Manufacturing;
• Manufacturing transportation equipment--are classified in U.S. Census Bureau NAICS-based industry 3369991, All Other Transportation Equipment Manufacturing, except Parts for Automobile and Light Truck Trailers;
• Manufacturing mi litary armored vehicles, tanks, and tank components--are classified in U.S. Industry 336992, Military Armored Vehicle, Tank, and Tank Component Manufacturing; and
• Manufacturing railroad rolling stock--are classified in Industry 336510, Railroad Rolling Stock Manufacturing.